Quote:
Originally Posted by technician117
The only time you should worry about LL01/LL04 ratings/certification is if you're running the OCI to the BMW recommended mileages. In this case, like 10,000? I think is the current recommendation. If you change the oil at a shorter interval, say 5,000 miles, then those certifications don't mean anything.
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Also, LL01 is old. when reformulating more "specialty" oils like the mobil 1 0w-40 or edge 0w-40, they likely didn't bother. both of those meet both Benz and porsche certs, which are at least as stringent.